在点阵式液晶显示器上显示字符

/*P89CXX编程控制CPU接收和控制程序*///定义编程需要的CPU类型0:P89C51 1:P89C52 2:P89C54 3:P89C58 4:P89C51RC 5:P89C51RD

完整可以对24C04,24C16A进行正常读写功能的C51代码.-Integrity can 24C04, 24C16A normal read and write function code C51.

智能吊车，广西壮族自治区电子设计踢 得一等奖-Intelligent cranes, Guangxi Zhuang Autonomous Region, first played in electronic design

采用8位LED动态扫描时钟演示程序 使用12MHZ晶振，P0口输出段码，P2口作列扫描，用共阳LED数码管-Using 8-bit LED Dynamic scan demo program using the 12Mhz clock crystal, P0 port output above code, P2 I make out scanning, with a total of Yang LED digital tube

基于51的单片机的PPP协议实现，源代码-51 Based on the SCM PPP protocol, the source code

单片机控制键盘和led，键盘送入的数据在led 上显示，数据满四位后，键入的第5位数据在个位显示，前四位清零。-MCU control the keyboard and led, keyboard into the data led the show, data-4, Type the first five places in the data revealed that four former reset.

某公司安装了电子门，要设计门禁系统： 公司的雇员可以凭借密码、胸卡或指纹进入公司 计算机根据雇员的验证方式对其身份进行验证 管理员在监控室可以通过按钮直接开启电子门 访客可以按门铃请求进入，由管理员为其放行 管理员可以为新职员设置密码 -A company to install an electronic gate, to design access control systems: the company" s employees can rely on passwords, badges or finger into the company computer, authentication of the employee to verify their identity can be an administrator in the control room directly through the button to open electronic gates that visitors can rang the doorbell of the request to enter an administrator can be released by the administrator of its staff to set a password for the new

波形发生器的源程序，能产生方波、三角波、和矩形波三种波形-The source waveform generator, which can produce square, triangle wave, and rectangular-wave three kinds of waveforms

PHILIPS非接触射频卡RC500的开发技术资料,-PHILIPS non-contact RF Card RC500 development of information technology,

430读写IIC总线以及中断控制程序-430 literacy IIC bus and interrupt control procedures